Across
- 2. Carries out O2-CO2 gas exchange.
- 4. Site for O2-CO2 exchange.
- 6. Lets air reach the alveoli.
- 7. Allows air to enter the left lung.
- 9. Helps pump the lung.
- 11. Protects the respiratory organs.
- 12. Purifies, humidfies the air
- 13. Letting the air pass through speech production.
- 15. Lets air and food the enter.
Down
- 1. Keeps food from entering the airways.
- 3. Helps keep the lungs visible.
- 5. Moves the ribs during breathing.
- 8. Way for air to enter the body.
- 10. Channels the air down the air ways.
- 14. Channels the air toward the left/right bronchi.